public Task Ping(Guid transactionId, DateTime timeStamp, ITransactionParticipant participant)
{
if (commitQueue.Find(transactionId, timeStamp) != -1)
{
// no need to take special action now - the transaction is still
// in the commit queue and its status is not yet determined.
// confirmation or cancellation will be sent after committing or aborting.
storageWorker.Notify(); // just in case the worker fell asleep or something
}
else
{
if (confirmationTasks.TryGetValue(transactionId, out var record))
{
// re-send now
record.LastSent = null;
confirmationWorker.Notify();
}
else
{
// we never heard of this transaction - so it must have aborted
participant.Cancel(transactionId, timeStamp, TransactionalStatus.PresumedAbort);
}
}
return(Task.CompletedTask); // one-way, no response
}
